/Engine/Source/Editor/UnrealEd/Public/Layers/LayersSubsystem.h
Updates the per-view visibility for all actors for the given view
virtual void UpdatePerViewVisibility ( [FLevelEditorViewportClient](API\Editor\UnrealEd\FLevelEditorViewportClient) * ViewportClient, const [FName](API\Runtime\Core\UObject\FName) & LayerThatChanged )